7j+21=77

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Solution for 7j+21=77 equation: 


Simplifying
7j + 21 = 77

Reorder the terms:
21 + 7j = 77

Solving
21 + 7j = 77

Solving for variable 'j'.

Move all terms containing j to the left, all other terms to the right.

Add '-21' to each side of the equation.
21 + -21 + 7j = 77 + -21

Combine like terms: 21 + -21 = 0
0 + 7j = 77 + -21
7j = 77 + -21

Combine like terms: 77 + -21 = 56
7j = 56

Divide each side by '7'.
j = 8

Simplifying
j = 8

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